4 Heat and gases

Practice questions on Heat and gases

• Explain what happens to the pressure of a fixed mass of gas when it is heated at constant … (5 marks, Explain)
• A bicycle tyre is pumped up and left in a warm garage. Explain why the pressure inside the… (5 marks, Explain)
• A weather balloon is filled with a fixed mass of gas at ground level, where the temperatur… (5 marks, Explain)
• A motorcyclist is travelling along a road when a pedestrian steps out ahead. Explain why t… (5 marks, Explain)
• A car is travelling at constant speed along a motorway when the driver sees a warning sign… (5 marks, Explain)
• A lorry and a small car are both travelling at the same speed when their drivers each noti… (5 marks, Explain)
• A car is travelling at high speed when the driver suddenly sees a hazard ahead. The car ha… (5 marks, Explain)
• A vehicle travelling at high speed is involved in a collision and comes to a sudden stop. … (5 marks, Explain)
• A sealed plastic syringe contains a fixed mass of air. The open end of the syringe is bloc… (5 marks, Explain)
• A sealed metal canister contains a fixed mass of gas. The canister is placed in a freezer … (5 marks, Explain)